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89756051247 = 32431273375419
BaseRepresentation
bin101001110010111100…
…0001010011100101111
322120200020211211100100
41103211320022130233
52432310022114442
6105122223402143
76325144563462
oct1234570123457
9276606754310
1089756051247
1135079a50855
121548b153353
13860541acc5
1444b67592d9
152504c4084c
hex14e5e0a72f

89756051247 has 48 divisors (see below), whose sum is σ = 134128783360. Its totient is φ = 57802864896.

The previous prime is 89756051239. The next prime is 89756051311. The reversal of 89756051247 is 74215065798.

89756051247 is a `hidden beast` number, since 8 + 9 + 7 + 5 + 605 + 1 + 24 + 7 = 666.

It is not a de Polignac number, because 89756051247 - 23 = 89756051239 is a prime.

It is a super-2 number, since 2×897560512472 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89756051193 and 89756051202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89756051227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16560504 + ... + 16565922.

Almost surely, 289756051247 is an apocalyptic number.

89756051247 is a deficient number, since it is larger than the sum of its proper divisors (44372732113).

89756051247 is a wasteful number, since it uses less digits than its factorization.

89756051247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5932 (or 5929 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 89756051247 in words is "eighty-nine billion, seven hundred fifty-six million, fifty-one thousand, two hundred forty-seven".

Divisors: 1 3 9 43 127 129 337 381 387 1011 1143 3033 5419 5461 14491 16257 16383 42799 43473 48771 49149 128397 130419 233017 385191 688213 699051 1826203 1840357 2064639 2097153 5478609 5521071 6193917 16435827 16563213 29593159 78526729 88779477 231927781 235580187 266338431 695783343 706740561 2087350029 9972894583 29918683749 89756051247